B. it was necessary to see data from more plants before the conclusion could be accepted.
Answer
given,
Two solenoids A and B
Number of turn
Na = 430 turns Nb = 610 turns
Current = 2.80 A
Average flux through A = 300 μWb
Average of flux through B = 90.0 μ
Wb
a) 


b) inductance of A



c) magnitude of the emf




Answer:B
Explanation:
Magnetic field lines form close loops and never intercept
What does a physical map show?
the names of countries, states, and cities
the history of an area
the geographical features of an area
the rest stops and restaurants in an area
The momentum would increase assuming the velocity stays the same. P=Mv